How to fix the rattle noise on your car

You're coming to the end of a gas tank's worth of superslab, the pavement as fresh and as smooth as your brother-in-law's balding pate. A quick trip to the Men's and a tankful of gas get you rolling again, this time on a secondary road that's not so smooth. With the new bumps comes a minor rattle that starts under the dash. Within an hour it's as annoying as myelin being flayed from the nerve endings in your inner ears.